Air-flow control valve device for a helmet

ABSTRACT

An air-flow control valve device for a helmet is disclosed. The valve device provides the effect of a warm during the winter and cold effect during the summer. The device is adjustable in accordance with the temperature change so as to provide air-flow and maintain warm. During the summer, the moveable valve gate is pushed forward, and the air within the helmet flows out of the helmet via the gap between the valve gate and the rain-blocking plate. During the winter, the valve gate is pushed backward to seal with the rain-blocking plate to effect the blocking of the heat to release from the helmet. Further, a warmth-keeping member is provided at the frame edge of the helmet to prohibit cold air to enter so as to fully prohibit cold air to enter the head portion and to maintain the warm air from releasing.

BACKGROUND OF THE INVENTION

(a) Technical Field of the Invention

The present invention relates to an air-flow control-valve device for ahelmet, and in particular, an air-flow control valve device to providewarmth during the winter and cool during the summer. The device allowsthe adjustment of the valve gate (forward or backward) so as to achieveair-flow or warm-maintaining effect, which is suitable to variouschanges of temperature.

(b) Description of the Prior Art

Helmet is a device used to protect the driver while riding a motorcycle.It is known conventionally that there is no air-flow within the helmetand under the hot weather of the summer, the head of the wearer has towithstand the high temperature of the hot air.

In order to overcome the drawback of the helmet of the hot air withinthe helmet, a plurality of helmet with air-flow device have beenexploited to fulfil the demand of the user. The applicant of the presentapplication has also filed patent application in Germany withapplication number 295203145 and the application has been grantedpatent, and the air-flow feature of the helmet is excellent and theproduct is wed-accepted and sold. However, the drawback of thisconventional helmet is the loss of warmth during the cold season. Inparticular, in countries like European countries, USA, China, etc,another helmet without air-flow device has to be ready during the coldseason. The helmet without air-flow device will not fully providesufficient warm to the user as cold air can enter through the edge ofthe helmet. Accordingly, it is an object of the present invention toprovide an air-flow valve device for a helmet, which mitigates the abovedrawbacks.

SUMMARY OF THE INVENTION

Accordingly, it is an object of the present invention to provide anair-flow control valve device for a helmet having a helmet body,supporting plate extended to form railing plate and a flow-guiding hood,comprising a valve body being a railing block having two sides mountedwith a valve and the top end of the railing blocking being mounted withthread member, and the bottom section being a recessed rail allowingreciprocating of the railing plate of the supporting plate; theflow-guiding hood having a long opening at the top face of the helmetfor the passage of the threaded member of the railing block and mountedwith a pad, a C-shaped elastic plate to the threaded member and securedby a circular button having a screw hole, and the valve body beingpushed by the circular button and positioned and the tension of theC-shaped elastic plate prevented the valve body from moving, and airhole provided to the end portion at the two sides of the helmet beingmounted with a valve plate having a push block and a hood shell having ahole which allows the valve plate to move to stop and the passage ofair; a warmth-keeping cover being a circular body made of a base clothand foam by thermal press, the foam being a layer of circular pad bodywith edge mounted with a plurality of adhesive cloth for adhesion ontothe inner frame edge of the helmet and blocking external air to enterthe helmet.

Yet still another object of the present invention is to provide anair-flow control valve device for a helmet, wherein a rain-blockingplate is mounted at the two sides of the supporting plate and at the twosides of the valve to form into a gap allowing air to release, and thevalve plate at the bottom end of the two sides of the helmet is pushableto provide an air hole for air stream that flow-in to form a convectioncurrent within the helmet, and the air within the helmet and the hot airare discharged via air holes to the air-passage hole and the largeopening and via the valve and the gap between the rain-blocking plate torelease.

Still a further object of the present invention is to provide anair-flow control valve device for a helmet, wherein the rain-blockingplates of the valve plate and the supporting plate are closed toprohibit air from releasing, and the valve plate at the end portion ofthe two sides of the helmet cuts the passage of air via air hole so asto keep the warmth within the helmet, and the hot air within the helmetallows to pass through various air hole to the large opening to thevalve plate and the rain-blocking plate, and the air is stopped.

The foregoing object and summary provide only a brief introduction tothe present invention. To fully appreciate these and other objects ofthe present invention as well as the invention itself, all of which willbecome apparent to those skilled in the art, the following detaileddescription of the invention and the claims should be read inconjunction with the accompanying drawings. Throughout the specificationand drawings identical reference numerals refer to identical or similarparts.

Many other advantages and features of the present invention will becomemanifest to those versed in the art upon making reference to thedetailed description and the accompanying sheets of drawings in which apreferred structural embodiment incorporating the principles of thepresent invention is shown by way of illustrative example.

BRIEF DESCRIPTION OF THE DRAWINGS

FIGS. 1 and 1A are perspective exploded views of the air-porous helmetof the present invention.

FIG. 2 is a schematic perspective view showing air-flow at the valvebody of the helmet of the present invention.

FIG. 3 is a sectional schematic view showing air-flow at the valve bodyof the helmet of the present invention.

FIG. 4 is a schematic perspective view showing air-blocking at the valvebody of the helmet of the present invention.

FIG. 5 is a sectional schematic view showing air-blocking at the valvebody of the helmet of the present invention.

FIG. 6 is a perspective sectional view of the warmth-keeping cover ofthe present invention.

FIG. 7 shows the sectional schematic view showing air-blocking at thevalve body together with the warmth-keeping cover in accordance with thepresent invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

The following descriptions are of exemplary embodiments only, and arenot intended to limit the scope, applicability or configuration of theinvention in any way. Rather, the following description provides aconvenient illustration for implementing exemplary embodiments of theinvention. Various changes to the described embodiments may be made inthe function and arrangement of the elements described without departingfrom the scope of the invention as set forth in the appended claims.

FIGS. 1 and 1A show an air-flow valve device for a helmet. The largeropening 101 of the top end of the helmet body 10 is provided with anair-flow control valve device 20 at the rear end of the large opening101. The air-flow control valve body device 20 has a supporting plateextended with a railing plate 21 a. The two sides of the supportingplate 201 are provided with a rain-blocking plate 201 b, which canprevent rainwater from entering the large opening 101. The supportingplate 201 is also used to enhance the exertion force of theflow-directing hood 40. The valve body 202 of the device 20 is a rangblock 202 a and the two lateral sides are provided with a valve gate 202b. The top end of the railing block 202 a is a threaded member 202 d,and the bottom section is a recessed rail 202 c for the reciprocatingmovement of the railing plate 201 a of the supporting plate 201. Theflow directing hood 40 is provided with a long hole 401 at the top faceof the helmet. The long hole 401 allows the threaded member 202 d of therailing block 202 a to pass through, and a pad 30, a C-shaped elasticplate 31 are placed onto the threaded member 202 d of the railing block202 a. After that, a circular button 32 having a threaded hole is usedto fasten with the threaded member 202 d and by pushing the circularbutton 32, the valve body 202 is moved to a position for securing. Thetop tension of the C-shaped elastic plate 31 prevents the movement ofthe valve body 202.

The bottom end portion at the two lateral sides of the helmet isprovided with an air-flow hole 103. The air-flow hole 103 is protrudedwith a pushing block 501 and a hood shell 502 having a hole 502 a. Thehole 502 a of the hood shell 502 can be blocked by the pushing block 501of the valve plate 50 so as to allow air flow or to stop air flow.

Referring to FIG. 6, there is shown a warmth keeping cover 70 providedto the device. The cover 70 is a circular body made from base clothmaterial and form. The form layer is formed into a circular pad body701, and the circumferential edge of the pad body 701 is provided withan adhesive edge 702, and the adhesive edge 702 is spacely mounted withadhesive 703 which can be adhered to the inner frame edge of the helmet,blocking external air from entering and therefore a warmth keepingeffect is obtained.

FIGS. 2 and 3 are perspective view and sectional schematic view showingthe air-flow state of the air-flow control valve device in accordancewith the present invention. As shown in the figure, when the circularbutton 32 is pushed forward, the railing block 202 a moves together, thevalve gate 202 b at the two lateral sides of the rang block 202 a andthe rain-blocking plate 201 b at the two lateral sides of the supportingplate 201 form a gap allowing hot air to release. The valve plate 50 atthe end portion of the two sides of the helmet 10 is pushed by thepushing block 501 to expose the air hole 103 allowing the air to flowinto the interior of the helmet, forming a convection current (as shownin FIG. 3). The air within the helmet and the hot air will flow via thelarge opening 101 of the hole path 601 via various air holes 60 and thenreleased, and pass through the gap between the valve gate 202 b and therain-blocking plate 201 b to release.

FIGS. 4 and 5 are perspective view and sectional schematic view showingthe air-blocking situation of the valve device of the present invention.As shown in the figure, the circular button 32 is pushed backward andthe railing block 202 a is moved together. The valve gate 202 b and theram-blocking plate 201 b at the two lateral sides of the supportingplate 201 are closed together and sealed to stop air from discharging.The valve plate 50 at the bottom section of the two lateral sides of thehelmet 10 makes use of the pushing block 501 to close the air hole 103so that air will not flow in, forming into a sealed warmth-keepinginterior of the helmet. Referring to FIG. 5, the hot air within thehelmet can only be discharged via various air holes 60 to the air path601 and via the large opening 101 to the valve body 202. The gap betweenthe valve gate 202 b and the rain-blocking plate 201 b is blocked andtherefore the air-flow is stopped and the warmth air is kept.

FIG. 6 is a sectional schematic view showing the warmth keeping coverthe present invention. The cover 70 is a circular body made from basecloth material and foam. The form layer is formed into a circular padbody 701, and the circumferential edge of the pad body 701 is providedwith an adhesive edge 702, and the adhesive edge 702 is spacely mountedwith adhesive 703, which can be adhered to the inner frame edge of thehelmet.

FIG. 7 is a sectional schematic view of the air-blocking situation ofthe control valve body with the warmth-keeping cover. As shown in thefigure, when at an extremely cold weather, a warmth-keeping cover 70 isneeded and the edge 702 is spacely mounted with a plurality of adhesive703 to mount onto the internal edge of the helmet so as to fully cut offthe external air to enter the helmet. The effect of the warmth keepingis obtained and there is no loss of heat from the head of the user.

In view of the above, it is understood that the helmet of the presentinvention provides a warm effect during a cold surrounding weather and acooler effect in a hot weather.

It will be understood that each of the elements described above, or twoor more together may also find a useful application in other types ofmethods differing from the type described above.

While certain novel features of this invention have been shown anddescribed and are pointed out in the annexed claim, it is not intendedto be limited to the details above, since it will be understood thatvarious omissions, modifications, substitutions and changes in the formsand details of the device illustrated and in its operation can be madeby those skilled in the art without departing in any way from the spiritof the present invention.

1. An air-flow control valve device for a helmet having a helmet body,supporting plate extended to form railing plate and a flow-guiding hood,comprising: (a) a valve body being a railing block having two sidesmounted with a valve and the top end of the railing blocking beingmounted with thread member, and the bottom section being a recessed railallowing reciprocating of the railing plate of the supporting plate; (b)the flow-guiding hood having a long opening at the top face of thehelmet for the passage of the threaded member of the railing block andmounted with a pad, a C-shaped elastic plate to the threaded member andsecured by a circular button having a screw hole, and the valve bodybeing pushed by the circular button and positioned and the tension ofthe C-shaped elastic plate prevented the valve body from moving, and airhole provided to the end portion at the two sides of the helmet beingmounted with a valve plate having a push block and a hood shell having ahole which allows the valve plate to move to stop and the passage ofair, (c) a warmth-keeping cover being a circular body made of a basecloth and foam by thermal press, the foam being a layer of circular padbody with edge mounted with a plurality of adhesive cloth for adhesiononto the inner frame edge of the helmet and blocking external air toenter the helmet.
 2. The air-flow control valve device of claim 1,wherein a rain-blocking plate is mounted at the two sides of thesupporting plate and at the two sides of the valve to form into a gapallowing air to release, and the valve plate at the bottom end of thetwo sides of the helmet is pushable to provide an air hole for airstream that flow-in to form a convection current within the helmet, andthe air within the helmet and the hot air are discharged via air holesto the air-passage hole and the large opening and via the valve and thegap between the rain-blocking plate to release.
 3. The air-flow controlvalve device of claim 1, wherein the rain-blocking plates of the valveplate and the supporting plate are closed to prohibit air fromreleasing, and the valve plate at the end portion of the two sides ofthe helmet cuts the passage of air via air hole so as to keep the warmthwithin the helmet, and the hot air within the helmet allows to passthrough various air hole to the large opening to the valve plate and therain-blocking plate, and the air is stopped.
 4. The air-flow controlvalve device of claim 1, wherein a plurality of adhesives are providedto the edge of the warm-keeping cover for mounting to the inner frameedge of the helmet to block external air to the helmet.